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View Full Version : Idle fuel trims in the negatives. how far is too far?



mvvette97
July 26th, 2015, 02:04 PM
Hey guys I'm doing some tuning on my 03 silverado. I have the cruise trims in the -3 to 0 range. My idle trims I'm having some trouble with. They were like -6 or so. I tweaked the maf table in the idle area and must of went too far. Now around +4 range. How far in the negatives is ok?